International Conference on Computer Technology and Development, 3rd (ICCTD 2011)
116 Extract of Landmarks for Pedestrian Route Guidance Systems by Means of Spatial Data Mining
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Finding the route in unknown environments is difficult and challenging, great attention is given to solve this problem by means of automatic path finding calculation. As small and portable technologies are developing and the technology of route guidance systems has increased these days, a new group of users that is, pedestrians are also added to the previous users of route guidance systems. Sincepedestrians are not connected to the routes network, new problems will occur in automatic guidance of computers. As a result the use of route guidance systems for pedestrians is not practical instead; Landmarks_preparing some recognizable and memorable guides through the route can be used to achieve this aim. The idea of this essay is to indicate; geographical data systems is graphically which includes, spatial data, non-spatial data and neighborhood connection among them, then we can use spatial outliers to derive Landmarks from graphs.